TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) Insider Trading

Sector: Semiconductors · Market Cap: $61.5T · 1 insider purchase in the last 7 days

INSIDER	DATE	SHARES	PRICE	TOTAL VALUE	OWNED AFTER	Δ OWNED	FILING
Yuan Lipen VP	Nov 1, 2026	1,000	$71.49	$71K	8,000	+14.3%

What this trade tells us

AI-generated analysis of disclosed insider activity. Updated May 20, 2026. Not investment advice.

Over the last 90 days, TSM insiders executed 62 purchases totaling approximately $1.0M with zero sales, indicating exclusively bullish sentiment across the insider population with no offsetting dispositions.
A cluster buy pattern is present, with three or more distinct insiders purchasing shares across multiple dates in late March and early April, suggesting coordinated or independently aligned conviction rather than isolated individual transactions.
Executive-level purchases include the CEO (Wei Che-Chia) and two COOs (Mii Yuh-Jier and Chin Yung-Pei) buying modest quantities on the same dates in April and May, indicating alignment among top management on valuation at those price levels.
The most-active historical insider, Tien Bor-Zen (VP), accounts for two of the largest trades in the window, including a $70K purchase on May 19, 2026, demonstrating sustained engagement by a repeat buyer.
Director Ursula M. Burns executed a notably large single purchase of $322K on March 31, representing the single largest transaction and suggesting board-level confidence, though this stands apart from the smaller, repeated pattern of executive buying.
The presence of 25 congressional trades on TSM over the past 12 months indicates notable legislative interest in the stock across both parties, though this represents activity separate from company insiders and does not directly reflect management conviction.

Bottom line:Sustained, multi-level insider buying with no sales activity presents a moderate bullish signal, though the modest aggregate dollar value and small individual position sizes limit the intensity of conviction implied.

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About TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD Insider Trading

30 insiders at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) have purchased stock in the past 90 days, totaling $608K across 97 transactions (8,101 shares).

The most recent purchase was by VP Yuan Lipen on November 1, 2026 — a $71K buy of 1,000 shares at $71.49, bringing his total holdings to 8,000 shares.

Insiders who purchased: Yuan Lipen (VP, 7 buys totaling $255K); Wei Che-Chia (CEO, 3 buys totaling $34K); Mii Yuh-Jier (COO, 3 buys totaling $16K); Chin Yung-Pei (COO, 3 buys totaling $16K); Hou Yung-Chin (COO, 3 buys totaling $14K); Zhang Kevin Xiaoqiang (COO, 3 buys totaling $14K); Wu Shien-Yang (VP, 3 buys totaling $13K); Fang Shu-Hua (VP, 3 buys totaling $13K); Yeap Choh Fei (VP, 3 buys totaling $12K); Cao Min (VP, 3 buys totaling $12K); Hsu Kuo-Chin (VP, 3 buys totaling $12K); Wang Ying-Lang (VP, 3 buys totaling $12K); Chang Tzonz-Sheng (VP, 3 buys totaling $12K); Lee Chun-Hsien (VP, 3 buys totaling $12K); Yoo Chue-San (VP, 3 buys totaling $12K); Lu Lee-Chung (VP, 3 buys totaling $12K); Chuang Juiping (VP, 3 buys totaling $11K); Jang Syun-Ming (VP, 3 buys totaling $11K); Tien Bor-Zen (VP, 6 buys totaling $11K); Chuang Tzu-Sou (VP, 3 buys totaling $11K); Ku Yao-Ching (VP, 3 buys totaling $11K); Lin Chris Horng-Dar (VP, 3 buys totaling $11K); Lin Shyue-Shyh (VP, 3 buys totaling $10K); Chen Pei-Hung (VP, 3 buys totaling $10K); He Jun (VP, 3 buys totaling $10K); Wu Yi-Huang (VP, 3 buys totaling $9K); Hwang Yuan-Ko (VP, 3 buys totaling $9K); Lu Chin-Sheng (VP, 3 buys totaling $9K); Chen Chih-Ho (Controller, 3 buys totaling $7K); Huang Jen-Chau (CFO, 3 buys totaling $7K).

TSM is in the Semiconductors sector within the Semiconductors industry with a market cap of $61.5T.

With 30 different insiders buying in the same 90-day window, this qualifies as cluster buying at TSM — a pattern that research suggests can signal conviction among management.

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